From e72765c648a172f052486cba9688ddc28f23140b Mon Sep 17 00:00:00 2001 From: Emil Bartczak Date: Thu, 8 Dec 2016 00:27:38 +0100 Subject: [PATCH] rtc: mcp795: fix bitmask value for leap year (LP). According the datasheet the leap year is a fifth bit in month register. Signed-off-by: Emil Bartczak Signed-off-by: Alexandre Belloni --- drivers/rtc/rtc-mcp795.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-mcp795.c b/drivers/rtc/rtc-mcp795.c index 0389ee03c660..5fbdb4c20a9b 100644 --- a/drivers/rtc/rtc-mcp795.c +++ b/drivers/rtc/rtc-mcp795.c @@ -40,6 +40,7 @@ #define MCP795_ST_BIT 0x80 #define MCP795_24_BIT 0x40 +#define MCP795_LP_BIT BIT(5) static int mcp795_rtcc_read(struct device *dev, u8 addr, u8 *buf, u8 count) { @@ -109,7 +110,7 @@ static int mcp795_set_time(struct device *dev, struct rtc_time *tim) data[1] = (data[1] & 0x80) | bin2bcd(tim->tm_min); data[2] = bin2bcd(tim->tm_hour); data[4] = bin2bcd(tim->tm_mday); - data[5] = (data[5] & 0x10) | bin2bcd(tim->tm_mon); + data[5] = (data[5] & MCP795_LP_BIT) | bin2bcd(tim->tm_mon); if (tim->tm_year > 100) tim->tm_year -= 100; -- GitLab